CN105401029A - Heat-resisting casting alloy - Google Patents
Heat-resisting casting alloy Download PDFInfo
- Publication number
- CN105401029A CN105401029A CN201510928408.XA CN201510928408A CN105401029A CN 105401029 A CN105401029 A CN 105401029A CN 201510928408 A CN201510928408 A CN 201510928408A CN 105401029 A CN105401029 A CN 105401029A
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- Prior art keywords
- aluminum
- copper alloy
- alloy
- heat
- copper
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/16—Alloys based on aluminium with copper as the next major constituent with magnesium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a heat-resisting casting alloy. The heat-resisting casting alloy is aluminum-copper alloy. The alloy comprises, by mass, 71%-78% of aluminum, 14%-18% of copper, 2%-8% of scandium, 1%-5% of chromium, 0.8%-2.4% of zirconium, 0.1%-0.4% of nickel, 0.05%-0.08% of magnesium and 0.02%-0.05% of manganese. The smelting process of the aluminum-copper alloy comprises the steps of smelting, stirring and refining treatment. In this way, the alloy has excellent high-temperature strength and good size stability, and the requirements of automobile engines and other high temperature resisting castings can be met.
Description
Technical field
The present invention relates to casting alloy field, particularly relate to a kind of heat-resistant casting alloy.
Background technology
Cast aluminium alloy, realizing having remarkable effect in lightweight, reduction energy consumption, minimizing environmental pollution etc., is thus used widely at automotive engine applications.
Along with developing rapidly of automotive industry, traditional cast aluminium alloy material hot strength, heat-resistant anti-fatigue ability etc. have closed on ultimate limit state, can not meet the growth requirement of motor car engine.
Summary of the invention
The technical problem that the present invention mainly solves is: for the deficiencies in the prior art, provides a kind of heat-resistant casting alloy, has excellent hot strength and good dimensional stability, can meet the demand of the high temperature resistant foundry goods such as motor car engine.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of heat-resistant casting alloy, described heat-resistant casting alloy is aluminum-copper alloy, the alloying element that described aluminum-copper alloy comprises has: aluminium, copper, scandium, chromium, zirconium, nickel, magnesium, manganese, and the mass percent shared by described each alloying element is: aluminium 71%-78%, copper 14%-18%, scandium 2%-8%, chromium 1%-5%, zirconium 0.8%-2.4%, nickel 0.1%-0.4%, magnesium 0.05%-0.08%, manganese 0.02%-0.05%;
Described aluminum-copper alloy fusion process comprises the steps:
A, first aluminum-copper alloy is put into smelting furnace, be smelt aluminum-copper alloy solution through high temperature melting;
B, then the aluminum-copper alloy solution in smelting furnace is put into holding furnace, apply in the periphery of holding furnace to rotate magnetic strength, in magnetic strength rotation process, produce inductive loop described aluminum-copper alloy solution is stirred;
C, finally carry out degasification, refining, rotten, the refining thinning processing such as to leave standstill.
In a preferred embodiment of the present invention, the high melt temperature of described aluminum-copper alloy is 550-600 DEG C.
In a preferred embodiment of the present invention, the tensile strength of described aluminum-copper alloy is 650-700MPa, and elongation is 10%, and hardness is 220HBW.
The invention has the beneficial effects as follows: the present invention is by adding the alloying element of rational formula amount, and in conjunction with rational melting technology, make the aluminum-copper alloy solution obtained have excellent hot strength and good dimensional stability, the demand of the high temperature resistant foundry goods such as motor car engine can be met.
Embodiment
Below preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
The embodiment of the present invention comprises:
Embodiment one:
A kind of heat-resistant casting alloy, described heat-resistant casting alloy is aluminum-copper alloy, the alloying element that described aluminum-copper alloy comprises has: aluminium, copper, scandium, chromium, zirconium, nickel, magnesium, manganese, and the mass percent shared by described each alloying element is: aluminium 71%, copper 15%, scandium 7%, chromium 4%, zirconium 2.4%, nickel 0.4%, magnesium 0.05%, manganese 0.05%; The tensile strength of described aluminum-copper alloy is 650MPa, and elongation is 10%, and hardness is 220HBW.
Described aluminum-copper alloy fusion process comprises the steps:
A, first aluminum-copper alloy is put into smelting furnace, be smelt aluminum-copper alloy solution through 550 DEG C of high temperature meltings;
B, then the aluminum-copper alloy solution in smelting furnace is put into holding furnace, apply in the periphery of holding furnace to rotate magnetic strength, in magnetic strength rotation process, produce inductive loop described aluminum-copper alloy solution is stirred;
C, finally carry out degasification, refining, rotten, the refining thinning processing such as to leave standstill.
Embodiment two:
A kind of heat-resistant casting alloy, described heat-resistant casting alloy is aluminum-copper alloy, the alloying element that described aluminum-copper alloy comprises has: aluminium, copper, scandium, chromium, zirconium, nickel, magnesium, manganese, and the mass percent shared by described each alloying element is: aluminium 72%, copper 18%, scandium 8%, chromium 1%, zirconium 0.7%, nickel 0.2%, magnesium 0.08%, manganese 0.02%; The tensile strength of described aluminum-copper alloy is 680MPa, and elongation is 10%, and hardness is 220HBW.
Described aluminum-copper alloy fusion process comprises the steps:
A, first aluminum-copper alloy is put into smelting furnace, be smelt aluminum-copper alloy solution through 580 DEG C of high temperature meltings;
B, then the aluminum-copper alloy solution in smelting furnace is put into holding furnace, apply in the periphery of holding furnace to rotate magnetic strength, in magnetic strength rotation process, produce inductive loop described aluminum-copper alloy solution is stirred;
C, finally carry out degasification, refining, rotten, the refining thinning processing such as to leave standstill.
Embodiment three:
A kind of heat-resistant casting alloy, described heat-resistant casting alloy is aluminum-copper alloy, the alloying element that described aluminum-copper alloy comprises has: aluminium, copper, scandium, chromium, zirconium, nickel, magnesium, manganese, and the mass percent shared by described each alloying element is: aluminium 78%, copper 14%, scandium 2%, chromium 5%, zirconium 0.8%, nickel 0.1%, magnesium 0.08%, manganese 0.02%; The tensile strength of described aluminum-copper alloy is 700MPa, and elongation is 10%, and hardness is 220HBW.
Described aluminum-copper alloy fusion process comprises the steps:
A, first aluminum-copper alloy is put into smelting furnace, be smelt aluminum-copper alloy solution through 600 DEG C of high temperature meltings;
B, then the aluminum-copper alloy solution in smelting furnace is put into holding furnace, apply in the periphery of holding furnace to rotate magnetic strength, in magnetic strength rotation process, produce inductive loop described aluminum-copper alloy solution is stirred;
C, finally carry out degasification, refining, rotten, the refining thinning processing such as to leave standstill.
Present invention is disclosed a kind of heat-resistant casting alloy, by adding the alloying element of rational formula amount, and in conjunction with rational melting technology, make the aluminum-copper alloy solution obtained have excellent hot strength and good dimensional stability, the demand of the high temperature resistant foundry goods such as motor car engine can be met.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (3)
1. a heat-resistant casting alloy, it is characterized in that, described heat-resistant casting alloy is aluminum-copper alloy, the alloying element that described aluminum-copper alloy comprises has: aluminium, copper, scandium, chromium, zirconium, nickel, magnesium, manganese, and the mass percent shared by described each alloying element is: aluminium 71%-78%, copper 14%-18%, scandium 2%-8%, chromium 1%-5%, zirconium 0.8%-2.4%, nickel 0.1%-0.4%, magnesium 0.05%-0.08%, manganese 0.02%-0.05%;
Described aluminum-copper alloy fusion process comprises the steps:
A, first aluminum-copper alloy is put into smelting furnace, be smelt aluminum-copper alloy solution through high temperature melting;
B, then the aluminum-copper alloy solution in smelting furnace is put into holding furnace, apply in the periphery of holding furnace to rotate magnetic strength, in magnetic strength rotation process, produce inductive loop described aluminum-copper alloy solution is stirred;
C, finally carry out degasification, refining, rotten, the refining thinning processing such as to leave standstill.
2. heat-resistant casting alloy according to claim 1, is characterized in that, the high melt temperature of described aluminum-copper alloy is 550-600 DEG C.
3. heat-resistant casting alloy according to claim 1, is characterized in that, the tensile strength of described aluminum-copper alloy is 650-700MPa, and elongation is 10%, and hardness is 220HBW.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510928408.XA CN105401029A (en) | 2015-12-15 | 2015-12-15 | Heat-resisting casting alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510928408.XA CN105401029A (en) | 2015-12-15 | 2015-12-15 | Heat-resisting casting alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105401029A true CN105401029A (en) | 2016-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510928408.XA Pending CN105401029A (en) | 2015-12-15 | 2015-12-15 | Heat-resisting casting alloy |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996010099A1 (en) * | 1994-09-26 | 1996-04-04 | Ashurst Technology Corporation (Ireland) Limited | High strength aluminum casting alloys for structural applications |
| JPH09104940A (en) * | 1995-10-09 | 1997-04-22 | Furukawa Electric Co Ltd:The | High-tensile aluminum-copper base alloy excellent in weldability |
| CN101532861A (en) * | 2009-04-17 | 2009-09-16 | 周岳建 | A method for manufacturing water meter housing by high strength cast aluminum alloy and a product thereof |
| CN102021429A (en) * | 2009-09-18 | 2011-04-20 | 贵州华科铝材料工程技术研究有限公司 | Sc-Ni-RE high-strength heat-resistant aluminium alloy material and preparation method thereof |
| CN102021422A (en) * | 2009-09-18 | 2011-04-20 | 贵州华科铝材料工程技术研究有限公司 | Sc-Cr-RE aluminium alloy material with high strength and heat resistance and preparation method thereof |
| US20140166161A1 (en) * | 2011-08-17 | 2014-06-19 | Otto Fuchs Kg | Heat-resistant AL-CU-MG-AG alloy and process for producing a semifinished part or product composed of such an aluminum alloy |
-
2015
- 2015-12-15 CN CN201510928408.XA patent/CN105401029A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996010099A1 (en) * | 1994-09-26 | 1996-04-04 | Ashurst Technology Corporation (Ireland) Limited | High strength aluminum casting alloys for structural applications |
| JPH09104940A (en) * | 1995-10-09 | 1997-04-22 | Furukawa Electric Co Ltd:The | High-tensile aluminum-copper base alloy excellent in weldability |
| CN101532861A (en) * | 2009-04-17 | 2009-09-16 | 周岳建 | A method for manufacturing water meter housing by high strength cast aluminum alloy and a product thereof |
| CN102021429A (en) * | 2009-09-18 | 2011-04-20 | 贵州华科铝材料工程技术研究有限公司 | Sc-Ni-RE high-strength heat-resistant aluminium alloy material and preparation method thereof |
| CN102021422A (en) * | 2009-09-18 | 2011-04-20 | 贵州华科铝材料工程技术研究有限公司 | Sc-Cr-RE aluminium alloy material with high strength and heat resistance and preparation method thereof |
| US20140166161A1 (en) * | 2011-08-17 | 2014-06-19 | Otto Fuchs Kg | Heat-resistant AL-CU-MG-AG alloy and process for producing a semifinished part or product composed of such an aluminum alloy |
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Application publication date: 20160316 |